Automatic safety-extinguisher adapted to single and duplex burners for oil-lamps.



i I PATENTED APRf ll, 1905; I w. H. OKEEEE. AUTOMATIC SAFETYEXTINGUISHER ADAPTBDTO SINGLE AND-DUPLEX BURNERS FOR OIL LAMPS.

APPLIOATIOH FILED MAR. 31, 1904.

' v 3 SHBETS-BHBET 1.

PATENTED APR. 11', 1905 H vW. H. O KE EFE f AUTOMATIC SAFETYEXTINGUISHER ADAPTED To SINGLE; AND DUPLEX BURNERS FOR OILLAMPS.APPLIQATION FILED MAR. 31,-1904.

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I No. 786,917. BATENTBD APR. 11-, 1905.

.w. H. OKEBPB. I AUTOMATIC SAFETY EXTINGUISHER ADAPTED T0 SINGLE ANDDUPLEX .BURNERS FOR OIL LAMPS.

APPLICATION FILED MAR. 31,1904.

3 SHEETS-SHEET 3.

UNITED STATES Patented April 11, 1905.

PATENT ()FFICE.

AUTOMATIC SAFETY-EXTINGUISHER ADAPTED TO SINGLE AND DUPLEX BURNERS FOROIL-LAMPS.

SPECIFICATION forming part of Letters Patent N0. 786,917, dated April11, 1905.

Application filed March 31, 1904. Serial No. 201,012.

To all whom it may concern:

Be it known that I, WILLIAM HENRY OKEEFE, watchmaker, a subject of theKing of Great Britain, residing at 39 Church street, Athlone, in thecounty of Westmeath, Ireland, have invented certain new and usefulImprovements in Automatic Safety-Extinguishers as Adapted to Single andDuplex Burners for Oil-Lamps, of which the following is a'specification, reference being had to the drawings hereunto annexed andto the reference-numerals marked thereon.

The invention relates to an automatic safetyextinguisher for oil-lamps.

Many attempts have been made to produce an extinguisher which upon thelamp assuming a dangerous angle or receiving a shock due to theoverturning thereof or otherwise would act in a reliable manner; butmost of said devices have failed to come into general use for variousreasons, some of which are that they have been too expensive or notsulficiently sensitive or that theyrequired some manipulation on thepart of the user to put them in working order, and which latter is afatal objection to any such device. Now the object of the presentinvention is to obtain a simple, inexpensive, and sensitive device whichwill be automatically cocked or rendered operative by the simple act oflowering the snufl er or extinguisher without throwing,any extra workupon the user, and

- the invention comprises various details of construction, ashereinafter described and illustrated.

In the accompanying drawings, Figure 1 is a vertical section, taken onthe line A B of Fig; 2, of a single-wick burner having the presentinvention applied thereto and showing the extinguishing device inposition ready for action. Fig. 2 is a horizontal section taken on theline C D of Fig. 1. Fig. 3 is a vertical 1 section taken on the line E Fof Fig. 2. Fig.

4 represents part of Fig. 1, but showing the extinguishing device in itsdischarged position. Fig.5 is a sectional elevation of the weight andsome connected parts. Fig. 6 represents an elevation of part of Fig. 5,but taken at right angles thereto. sectional plan thereof, the sectionbeing taken Fig. 7 is a on the line G H of Fig. 6. Fig. 8 is a similarview to Fig. 6, but taken at right angles thereto. Fig. 9 is a sectionalunder side view thereof, the section being taken on the line I K of Fig.5. Fig. 10 is a sectional elevation, the section being taken on the lineA B of Fig. 2 of the weight and some immediatelyconnected parts. Fig. 11is a vertical section, taken on the line L M of Fig. 12, ofa duplexburner having the present invention applied thereto; and Fig.12 is aplan thereof with the cone removed.

In the several figures like parts are'indicated by similarreference-numerals, and Fig. 3 is drawn to a reduced scale with respectto the other figures of the drawings.

Referring to Figs. 1 to 10, 1 represents the body of the burner, 2represents the cone, 3 represents the wick-tube, and 4 represents asleeve or fitting mounted with capability of sliding upon the wick-tube3 and provided ,with a pivotally-mounted flap 5, actuated by a spring 6in the well-known manner to close the flap 5, as shown at Fig. 4, whenthe sleeve 4 is raised in order to extinguish .the flame. The sleeve 4is usually raised by hand by means of a lever; but according to thepresent invention it is depressed by means of a lever 7 and raised bymeans of a spring 8. For this purpose the sleeve 4 is provided with anoffset or bracket 9, having a lug 10, formed with a-slot 11, in whichworks the lever 7, the office of which is to depress the sleeve 4, andthe bracket or offset 9 is at or near its end provided with anaxially-recessed boss12, in which is securelyfitted the upper end of arod 13, which works through the open top of a cylindrical case 14,inclosing the spring 8, and at its lower end is formed with a piston 15,which works. in the case 14 and is acted upon by the spring 8, theofiice vlof which is to raise the sleeve 4. The sleeve 4 is retained thesleeve 4 is a projection or tooth l6, and fixed upon the upper end of apost 17, fixed with the body 1 of the burner, is a drum, cage, or box18, having openings 19 and 20 in the top and bottom thereof,respectively, and loosely fitting the drum 18 is a disk 21, which seatsupon the bottom of the drum and has a cylindrical projection 22 upon itsunder side, which projects through the opening 20, and a headed pin 23upon its upper side, upon which is loosely mounted an axially perforatedweight 24 at its lower part contracted or formed with a neck 25, whichextends through the opening 19 inthe top of the drum cage or box 18 andadmits of the required oscillations of the weight 24, while the internalarea of the drum admits of the corresponding canting or oscillation ofthe disk 21. The drum 18 therefore holds the weight 24 captive, whilepermitting a certain degree of movement thereof. Pivotally mounted at 26in a slot 27 in the upper end of the post 17 is a rocking lever ordetent 28, which is normally held in the position indicated in Fig. 1 bya light spring 29, carried by the post 17 and of inferior strength tothe spring 8, and the lever or detent 28 is formed with a nose or tooth30, adapted to engage the projection or tooth 16 of the sleeve 4, andwith a similar nose or tooth 31, adapted to engage the cylindricalprojection 22 of the disk 21 when the weight 24 is in its normalposition, as shown more particularly at Fig. 1, by which means thesleeve 4 will be held in its depressed position against the force of thespring 8 until the weight 24 is displaced, carrying with it the disk 21,and thereby withdrawing the cylindrical projection 22 from the nose ortooth 31 of the oscillating lever 28.

The action of the device may be described as follows: Assuming theparts, with the exception of the weight 24, to be in the position shownat Fig. 4 and the weight to be in the position shown at Fig. 1, when itis desired to light the lamp the outer end of the lever 7 is raised,thereby depressing the sleeve 4 against the force of the spring 8 andthrowing back the flap 5 of the extinguisher in the well-known manner bythe action thereon of the wick-tube 3. At the same time the projectionor tooth 16 of the sleeve 4 comes against the nose 30 of the rockinglever or detent 28, turning the same on its axis againstthe action ofthe spring 29 and forcing its way ast the same, and upon the lever 7being released the nose 30 of the rocking lever 28 engages theprojection 16 of the sleeve 4, and the projection 22 of the disk 21 ofthe weight engages the nose 31 of said lever, and the sleeve 4 will thusbe held depressed against the force of the spring 8. Upon the weight 24being displaced in any direction, either by the push-piece 32,hereinafter described and as shown at Fig. 4, or by the dangerousinclination of the lamp or by a shock due to the overturning of the lampor otherwise, the projection 22 of the disk 21 will be withdrawn fromthe nose 31. of the rocking lever or detent 28, and the projection 16 ofthe sleeve 4 will under the influence of the spring 8 force its way pastthe nose 30 of the rocking lever 28, which will turn upon its axis, andthe flap 5 under the influence of its spring6 will close over the top ofthe wick-tube 3, as shown at Fig. 4, thereby extinguishing the flame ofthe lamp. Upon the lamp being restored to a vertical position the weight24 will return to its normal position, as shown at Fig. 1, with theprojection 22 of the disk 21 in position to engage the nose 31 of therocking lever 28, and the device may be cocked or reset by means of thelever 7 in the manner hereinbet'ore described.

In order to cause the device to act and extinguish the lamp underordinary circumstances, a push-piece 32 is provided, which is mounted ina perforation in the body of the burner and retained in its normalposition by a spring 33 and is arranged at such 'an angle that whenpressed inward its inner end is adapted to impinge upon the projection22 of the disk 21 and displace the weight 24, as shown at Fig. 4, or anyother suitable device may be employed for this purpose.

In the example given at Figs. 11 and 12 the invention is shown appliedto a duplex burner provided with two sleeves 4 and spring-actuated flaps5. In this case the lug 10 is for convenience arranged in the form of aweb connecting both sleeves 4, and the lever 7 works between the twosleeves, while the spring-box 14 and rod 13 are similarly arranged in acentral position, and the boss 12 is fixed with the rod 13 and pivotallyconnected at 12 with the lower edge of the web 10, while the extension 4of the sleeve 4, carrying the tooth or projection 16, is also arrangedbetween said sleeves and fixed with both. Instead of the weight 24 beinglooscl y mounted upon a pin 23, fixed with the disk 21, said weight isdirectly fixed with the disk, while as a further modification the springpush-piece 32 is replaced by a small lever 34, adapted to displace theweight 24 at the times desired. In other respects the device issubstantially identical with that hereinbefore shown and described withrespect to Figs. 1 to 10, and its action is the same.

It will be obvious that the details of construction of the device may beotherwise considerably varied without departing from the spirit of theinvention.

By the means hereinbefore described a simple, inexpensive, and reliablesafety extinguishing device is obtained which requires no additionalmanipulation to reset it after use, but is cocked or made ready for useby the usual act of lowering the extinguisher proper preparatory tolighting the lamp.

Having now particularly described and ascertained the nature of the saidinvention and in whatmanner the same is to be I declare that What Iclaim is 1. In an automatic safety-extinguisher, the combination withaburner, of a captive Weight surrounded by the burner and looselymounted upon' a seat within the burner with capability of oscillatingwithin certain limits, a spring actuated extinguishing device, and adetent normally engagingsaid weight and said extinguishing device,substantially as herein shown and described. I

2. In an automatic safety-extinguisher, the combination with a burner,of a captive weight surrounded by the burner and loosely mounted upon aseat with capability of oscillating, a spring-actuated extinguishingdevice, and a pivotally-mounted detent having a pair of noses normallyengaging the weight and the extinguishing device, substantially asherein shown and described.

3. In an automatic safety-extinguisher, the combination with a burner,of a captive weight surrounded by the burner and loosely performed,

mounted upon a seat within the burner with capability of oscillatingwithin certain limits, a spring-actuated extinguishing device normallyheld out of action by said weight, and hand-operating means projectingthrough the wall of the burner for displacing the weight and releasingthe extinguishing device, substantially as herein shown and described.

4. In an automatic safety-extinguisher a weight loosely mounted .upon aseat with capability of oscillating, means for controlling the degree ofoscillation of the weight, a

spring-actuated extinguishing device having a projection thereon, aprojection from the bottom of the weight, a pivotally-mountedstantiallyas herein shown and described.

5.- In an automatic safety-extinguisher a weight having a disk-likeextended base, a drum or cageloosely inclosing said disk or base andhaving openings in the top and bottom, a sleeve sliding upon theWick-tube of the burner and carrying a spring-actuatedextinguishing-flap, a spring acting to force said sleeve upward, anextension from said sleeve provided with a projection, a projection onthe bottom of the weight, a pivotally-mounted detent-lever having a noseadapted to engage the projection of the sleeve and a nose adapted toengage the projection of'the weight and means for normally retaining thedetent-lever in its engaging position substantially as herein shown anddescribed.

WILLIAM HENRY OKEEFE.

Witnesses:

ALBERT T. WEBSTER, HARRY CLARKE.

